... set ,not three sets .So it is very value and easy to operate .It has three types cooling ... which inclouding semiconductor cooling ,wind cooling and water cooling so that different persons are satisfied ... hair ,bikini hair ,leg hair ,arm hair and others hair .C,IPL could dispel abnormal tiny blood ... (angiotelectasia) , rosacea, acne ,scra of acne,and erythemaD,IPL could make our skin to become more ...